%0 Journal Article %A DOERING, ADA MARIA DE S. %A LEQUAIN, YVES %A RIPOLL, CYDARA C. %T DIFFERENTIAL SIMPLICITY AND CYCLIC MAXIMAL IDEALS OF THE WEYL ALGEBRA $A_{2}(K)$ %J Glasgow mathematical journal %D 2006 %P 269-274 %V 48 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089506003053/ %R 10.1017/S0017089506003053 %F 10_1017_S0017089506003053